[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CA2632385C - Method and apparatus for controlling current supplied to electronic devices - Google Patents

Method and apparatus for controlling current supplied to electronic devices Download PDF

Info

Publication number
CA2632385C
CA2632385C CA2632385A CA2632385A CA2632385C CA 2632385 C CA2632385 C CA 2632385C CA 2632385 A CA2632385 A CA 2632385A CA 2632385 A CA2632385 A CA 2632385A CA 2632385 C CA2632385 C CA 2632385C
Authority
CA
Canada
Prior art keywords
voltage
dimming control
string
drive
control signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2632385A
Other languages
English (en)
French (fr)
Other versions
CA2632385A1 (en
Inventor
Paul Jungwirth
Shane P. Robinson
Craig Matza
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Signify Holding BV
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CA2632385A1 publication Critical patent/CA2632385A1/en
Application granted granted Critical
Publication of CA2632385C publication Critical patent/CA2632385C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Semiconductor Lasers (AREA)
CA2632385A 2005-12-20 2006-12-20 Method and apparatus for controlling current supplied to electronic devices Expired - Fee Related CA2632385C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US75274005P 2005-12-20 2005-12-20
US60/752,740 2005-12-20
US81978306P 2006-07-10 2006-07-10
US60/819,783 2006-07-10
PCT/CA2006/002068 WO2007071033A1 (en) 2005-12-20 2006-12-20 Method and apparatus for controlling current supplied to electronic devices

Publications (2)

Publication Number Publication Date
CA2632385A1 CA2632385A1 (en) 2007-06-28
CA2632385C true CA2632385C (en) 2015-02-24

Family

ID=38188214

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2632385A Expired - Fee Related CA2632385C (en) 2005-12-20 2006-12-20 Method and apparatus for controlling current supplied to electronic devices

Country Status (8)

Country Link
US (1) US7999484B2 (ja)
EP (1) EP1967049A4 (ja)
JP (1) JP5717947B2 (ja)
KR (1) KR101588044B1 (ja)
CN (1) CN101379887B (ja)
CA (1) CA2632385C (ja)
RU (1) RU2427109C2 (ja)
WO (1) WO2007071033A1 (ja)

Families Citing this family (223)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259424A1 (en) 2004-05-18 2005-11-24 Zampini Thomas L Ii Collimating and controlling light produced by light emitting diodes
TWI338169B (en) * 2006-01-17 2011-03-01 Chimei Innolux Corp Led light source module and liquid crystal display thereof
US7766511B2 (en) 2006-04-24 2010-08-03 Integrated Illumination Systems LED light fixture
US7729941B2 (en) 2006-11-17 2010-06-01 Integrated Illumination Systems, Inc. Apparatus and method of using lighting systems to enhance brand recognition
EP2123127A1 (en) * 2006-12-06 2009-11-25 Nxp B.V. Controlled voltage source for led drivers
WO2008084439A1 (en) * 2007-01-10 2008-07-17 Nxp B.V. Power supply for led backlight
JP5826460B2 (ja) * 2007-01-22 2015-12-02 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 有機発光ダイオード装置
US8013538B2 (en) 2007-01-26 2011-09-06 Integrated Illumination Systems, Inc. TRI-light
TWI362639B (en) * 2007-01-31 2012-04-21 Richtek Technology Corp Backlight control circuit with flexible configuration
US20080290819A1 (en) * 2007-02-06 2008-11-27 Luminus Devices, Inc. Light-emitting device driver circuits and related applications
JP5089193B2 (ja) * 2007-02-22 2012-12-05 株式会社小糸製作所 発光装置
US7667408B2 (en) 2007-03-12 2010-02-23 Cirrus Logic, Inc. Lighting system with lighting dimmer output mapping
US7288902B1 (en) 2007-03-12 2007-10-30 Cirrus Logic, Inc. Color variations in a dimmable lighting device with stable color temperature light sources
WO2008120166A1 (en) * 2007-04-02 2008-10-09 Koninklijke Philips Electronics N.V. Driving light emitting diodes
JP2008283033A (ja) * 2007-05-11 2008-11-20 Ricoh Co Ltd 駆動回路及びその駆動回路を有する電子機器
JP5409622B2 (ja) * 2007-07-23 2014-02-05 コーニンクレッカ フィリップス エヌ ヴェ 発光ユニット構成及び制御システム並びに方法
US20090076329A1 (en) * 2007-09-17 2009-03-19 Wei Su Disposable Stereoscopic Endoscope System
US8742686B2 (en) 2007-09-24 2014-06-03 Integrated Illumination Systems, Inc. Systems and methods for providing an OEM level networked lighting system
TWM342713U (en) * 2007-10-19 2008-10-11 Prodisc Technology Inc Light-emitting device capable of adjusting color temperature and its control circuit structure
TWI390482B (zh) * 2008-02-19 2013-03-21 Himax Analogic Inc 驅動發光二極體之電路與方法
US7592756B1 (en) * 2008-03-14 2009-09-22 Himax Analogic, Inc. Driving circuit for light emitting diodes
JP4687735B2 (ja) * 2008-03-24 2011-05-25 東芝ライテック株式会社 電源装置及び照明器具
JP4636102B2 (ja) 2008-03-24 2011-02-23 東芝ライテック株式会社 電源装置及び照明器具
US7759881B1 (en) * 2008-03-31 2010-07-20 Cirrus Logic, Inc. LED lighting system with a multiple mode current control dimming strategy
DE102008017774B4 (de) * 2008-04-08 2011-02-10 Austriamicrosystems Ag Modulationsanordnung und Verfahren zum Bereitstellen eines modulierten Steuersignals
KR20090109435A (ko) 2008-04-15 2009-10-20 삼성전자주식회사 광원 구동 장치, 광원 구동 방법 및 디스플레이장치
US8487547B2 (en) * 2008-04-24 2013-07-16 Cypress Semiconductor Corporation Lighting assembly, circuits and methods
US8255487B2 (en) 2008-05-16 2012-08-28 Integrated Illumination Systems, Inc. Systems and methods for communicating in a lighting network
WO2009147601A1 (en) * 2008-06-04 2009-12-10 Nxp B.V. Dc-dc converter
TWI459858B (zh) * 2008-06-24 2014-11-01 Eldolab Holding Bv 照明系統及發光二極體組件之控制單元
US7928670B2 (en) * 2008-06-30 2011-04-19 Iwatt Inc. LED driver with multiple feedback loops
TWI406596B (zh) * 2008-06-30 2013-08-21 Green Solution Tech Co Ltd 發光二極體驅動電路、發光二極體驅動控制單元及其電晶體開關模組
US20110163693A1 (en) * 2008-07-07 2011-07-07 Osram Gesellschaft Mit Beschraenkter Haftung Circuit arrangement and method for operating at least one led
US20110204777A1 (en) * 2008-08-18 2011-08-25 Switch Bulb Company, Inc. Settable light bulbs
WO2010021677A1 (en) * 2008-08-18 2010-02-25 Superbulbs, Inc. Constant power led circuit
JP4600583B2 (ja) * 2008-09-10 2010-12-15 東芝ライテック株式会社 調光機能を有する電源装置及び照明器具
US8854019B1 (en) 2008-09-25 2014-10-07 Rf Micro Devices, Inc. Hybrid DC/DC power converter with charge-pump and buck converter
WO2010043923A1 (en) * 2008-10-17 2010-04-22 Osram Gesellschaft mit beschränkter Haftung An emergency power supply circuit for dimmable electronic ballasts and related method
KR100973009B1 (ko) * 2008-10-28 2010-07-30 삼성전기주식회사 발광소자 구동 장치
US8232742B2 (en) 2008-11-27 2012-07-31 Arkalumen Inc. Method, apparatus and computer-readable media for controlling lighting devices
US8373356B2 (en) * 2008-12-31 2013-02-12 Stmicroelectronics, Inc. System and method for a constant current source LED driver
JP2010187525A (ja) * 2009-01-14 2010-08-26 Rohm Co Ltd 送信装置及び情報処理機器
JP5190390B2 (ja) * 2009-01-27 2013-04-24 三菱電機株式会社 発光素子点灯制御装置
JP5412122B2 (ja) * 2009-01-29 2014-02-12 ローム株式会社 Ｌｅｄ照明装置
JP5854400B2 (ja) * 2009-02-26 2016-02-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 光源にパルス電力を供給するための変換器
US9166471B1 (en) 2009-03-13 2015-10-20 Rf Micro Devices, Inc. 3D frequency dithering for DC-to-DC converters used in multi-mode cellular transmitters
CN101848574A (zh) * 2009-03-27 2010-09-29 北京京东方光电科技有限公司 发光二极管背光源的驱动装置和亮度调整方法
US8585245B2 (en) 2009-04-23 2013-11-19 Integrated Illumination Systems, Inc. Systems and methods for sealing a lighting fixture
JP5515931B2 (ja) * 2009-04-24 2014-06-11 東芝ライテック株式会社 発光装置及び照明装置
CN102461332B (zh) * 2009-05-04 2015-07-22 艾杜雷控股有限公司 用于led组件的控制单元以及照明系统
US8315576B2 (en) 2009-05-05 2012-11-20 Rf Micro Devices, Inc. Capacitive compensation of cascaded directional couplers
JP2010267415A (ja) * 2009-05-12 2010-11-25 Toshiba Lighting & Technology Corp 照明装置
TWI423724B (zh) * 2009-07-24 2014-01-11 Novatek Microelectronics Corp 可動態維持定電流驅動之光源驅動裝置及其相關方法
JP2012023001A (ja) * 2009-08-21 2012-02-02 Toshiba Lighting & Technology Corp 点灯回路及び照明装置
JP5333769B2 (ja) * 2009-09-04 2013-11-06 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明装置
JP5333768B2 (ja) * 2009-09-04 2013-11-06 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明装置
US8395329B2 (en) 2009-09-09 2013-03-12 Bel Fuse (Macao Commercial Offshore) LED ballast power supply having digital controller
KR101018171B1 (ko) * 2009-09-10 2011-02-28 삼성전기주식회사 전류 제한 기능을 갖는 발광 다이오드용 구동 장치
TWI430705B (zh) * 2009-09-16 2014-03-11 Novatek Microelectronics Corp 發光二極體的驅動裝置及其驅動方法
JP5641180B2 (ja) * 2009-09-18 2014-12-17 東芝ライテック株式会社 Ｌｅｄ点灯装置および照明装置
US9155174B2 (en) 2009-09-30 2015-10-06 Cirrus Logic, Inc. Phase control dimming compatible lighting systems
WO2011047110A2 (en) * 2009-10-14 2011-04-21 National Semiconductor Corporation Dimmer decoder with improved efficiency for use with led drivers
US8643292B2 (en) * 2009-11-12 2014-02-04 Richtek Technology Corporation Digital dimming device and digital dimming method
US8410716B2 (en) * 2009-12-17 2013-04-02 Monolithic Power Systems, Inc. Control of multi-string LED array
JP2011145928A (ja) * 2010-01-15 2011-07-28 Sharp Corp 電源制御システム
JP5454168B2 (ja) * 2010-01-27 2014-03-26 ウシオ電機株式会社 放電ランプ用給電装置
US8548398B2 (en) 2010-02-01 2013-10-01 Rf Micro Devices, Inc. Envelope power supply calibration of a multi-mode radio frequency power amplifier
US8538355B2 (en) 2010-04-19 2013-09-17 Rf Micro Devices, Inc. Quadrature power amplifier architecture
US9214865B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Voltage compatible charge pump buck and buck power supplies
US9362825B2 (en) 2010-04-20 2016-06-07 Rf Micro Devices, Inc. Look-up table based configuration of a DC-DC converter
US9214900B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Interference reduction between RF communications bands
US8831544B2 (en) 2010-04-20 2014-09-09 Rf Micro Devices, Inc. Dynamic device switching (DDS) of an in-phase RF PA stage and a quadrature-phase RF PA stage
US9553550B2 (en) 2010-04-20 2017-01-24 Qorvo Us, Inc. Multiband RF switch ground isolation
US8565694B2 (en) 2010-04-20 2013-10-22 Rf Micro Devices, Inc. Split current current digital-to-analog converter (IDAC) for dynamic device switching (DDS) of an RF PA stage
US8559898B2 (en) 2010-04-20 2013-10-15 Rf Micro Devices, Inc. Embedded RF PA temperature compensating bias transistor
US9077405B2 (en) 2010-04-20 2015-07-07 Rf Micro Devices, Inc. High efficiency path based power amplifier circuitry
US8731498B2 (en) 2010-04-20 2014-05-20 Rf Micro Devices, Inc. Temperature correcting an envelope power supply signal for RF PA circuitry
US8989685B2 (en) 2010-04-20 2015-03-24 Rf Micro Devices, Inc. Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
US9184701B2 (en) 2010-04-20 2015-11-10 Rf Micro Devices, Inc. Snubber for a direct current (DC)-DC converter
US9008597B2 (en) 2010-04-20 2015-04-14 Rf Micro Devices, Inc. Direct current (DC)-DC converter having a multi-stage output filter
US8942651B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. Cascaded converged power amplifier
US8811920B2 (en) 2010-04-20 2014-08-19 Rf Micro Devices, Inc. DC-DC converter semiconductor die structure
US8515361B2 (en) 2010-04-20 2013-08-20 Rf Micro Devices, Inc. Frequency correction of a programmable frequency oscillator by propagation delay compensation
US8913967B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Feedback based buck timing of a direct current (DC)-DC converter
US8811921B2 (en) 2010-04-20 2014-08-19 Rf Micro Devices, Inc. Independent PA biasing of a driver stage and a final stage
US8542061B2 (en) 2010-04-20 2013-09-24 Rf Micro Devices, Inc. Charge pump based power amplifier envelope power supply and bias power supply
US8983410B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Configurable 2-wire/3-wire serial communications interface
US8706063B2 (en) 2010-04-20 2014-04-22 Rf Micro Devices, Inc. PA envelope power supply undershoot compensation
US8892063B2 (en) 2010-04-20 2014-11-18 Rf Micro Devices, Inc. Linear mode and non-linear mode quadrature PA circuitry
US8712349B2 (en) 2010-04-20 2014-04-29 Rf Micro Devices, Inc. Selecting a converter operating mode of a PA envelope power supply
US8699973B2 (en) 2010-04-20 2014-04-15 Rf Micro Devices, Inc. PA bias power supply efficiency optimization
US8983407B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Selectable PA bias temperature compensation circuitry
US9030256B2 (en) 2010-04-20 2015-05-12 Rf Micro Devices, Inc. Overlay class F choke
US8958763B2 (en) 2010-04-20 2015-02-17 Rf Micro Devices, Inc. PA bias power supply undershoot compensation
US9577590B2 (en) 2010-04-20 2017-02-21 Qorvo Us, Inc. Dual inductive element charge pump buck and buck power supplies
US8571492B2 (en) * 2010-04-20 2013-10-29 Rf Micro Devices, Inc. DC-DC converter current sensing
US8913971B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Selecting PA bias levels of RF PA circuitry during a multislot burst
US9900204B2 (en) 2010-04-20 2018-02-20 Qorvo Us, Inc. Multiple functional equivalence digital communications interface
US9048787B2 (en) 2010-04-20 2015-06-02 Rf Micro Devices, Inc. Combined RF detector and RF attenuator with concurrent outputs
US8842399B2 (en) 2010-04-20 2014-09-23 Rf Micro Devices, Inc. ESD protection of an RF PA semiconductor die using a PA controller semiconductor die
US8947157B2 (en) 2010-04-20 2015-02-03 Rf Micro Devices, Inc. Voltage multiplier charge pump buck
US8942650B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. RF PA linearity requirements based converter operating mode selection
KR101018295B1 (ko) * 2010-05-10 2011-03-04 (주)제퍼로직 전압 공급 회로
US9086435B2 (en) 2011-05-10 2015-07-21 Arkalumen Inc. Circuits for sensing current levels within a lighting apparatus incorporating a voltage converter
US8564214B2 (en) 2010-05-11 2013-10-22 Arkalumen Inc. Circuits for sensing current levels within lighting apparatus
CN102244952A (zh) * 2010-05-11 2011-11-16 登丰微电子股份有限公司 反馈控制电路及电源转换电路
US9089024B2 (en) 2010-05-11 2015-07-21 Arkalumen Inc. Methods and apparatus for changing a DC supply voltage applied to a lighting circuit
DE102010022310B4 (de) * 2010-06-01 2016-08-04 Austriamicrosystems Ag Stromquellenanordnung, Schaltungsanordnung mit der Stromquellenanordnung und Verfahren zum Betreiben einer solchen
US8716957B2 (en) 2010-07-30 2014-05-06 Cirrus Logic, Inc. Powering high-efficiency lighting devices from a triac-based dimmer
US8729811B2 (en) 2010-07-30 2014-05-20 Cirrus Logic, Inc. Dimming multiple lighting devices by alternating energy transfer from a magnetic storage element
US8536799B1 (en) 2010-07-30 2013-09-17 Cirrus Logic, Inc. Dimmer detection
US8193733B2 (en) * 2010-08-04 2012-06-05 Immense Advance Technology Corp. LED driver circuit
CN101937014B (zh) * 2010-08-05 2012-10-17 复旦大学 一种适用于宽转换比升压变换器的自适应电流检测电路
KR101980724B1 (ko) * 2010-08-05 2019-05-21 온세미컨덕터코리아 주식회사 Ｌｅｄ 발광 장치 및 그 구동 방법
US9307601B2 (en) 2010-08-17 2016-04-05 Koninklijke Philips N.V. Input voltage sensing for a switching power converter and a triac-based dimmer
US8847515B2 (en) 2010-08-24 2014-09-30 Cirrus Logic, Inc. Multi-mode dimmer interfacing including attach state control
TW201215230A (en) * 2010-09-27 2012-04-01 Advanced Connectek Inc Light emitting element driving circuit
JP5760169B2 (ja) * 2010-10-25 2015-08-05 パナソニックＩｐマネジメント株式会社 点灯装置および、これを用いた照明器具
CN103201937B (zh) 2010-11-04 2017-02-15 皇家飞利浦有限公司 用于控制照明系统中的功率消耗的装置和方法
WO2012061769A2 (en) 2010-11-04 2012-05-10 Cirrus Logic, Inc. Controlled power dissipation in a switch path in a lighting system
CN103190062B (zh) 2010-11-04 2016-08-31 皇家飞利浦有限公司 基于三端双向可控硅开关调光器的占空因子探测
ES2718100T3 (es) 2010-11-16 2019-06-27 Signify Holding Bv Compatibilidad de atenuador de luz de fase final con predicción de alta resistencia de atenuador de luz
CN103370990B (zh) 2010-12-16 2016-06-15 皇家飞利浦有限公司 基于开关参数的断续模式-临界导电模式转换
US8664884B2 (en) * 2011-01-12 2014-03-04 Green Solution Technology Co., Ltd. LED driving circuit and feedback control circuit thereof
US9035560B2 (en) 2011-01-12 2015-05-19 Green Solution Technology Co., Ltd. LED driving control circuit and LED driving circuit
WO2012106143A2 (en) * 2011-01-31 2012-08-09 Marvell World Trade Ltd. Systems and methods for driving light emitting diodes
US9192009B2 (en) 2011-02-14 2015-11-17 Arkalumen Inc. Lighting apparatus and method for detecting reflected light from local objects
US9066381B2 (en) 2011-03-16 2015-06-23 Integrated Illumination Systems, Inc. System and method for low level dimming
CA2867678C (en) 2011-03-16 2016-06-14 Arkalumen Inc. Lighting apparatus and methods for controlling lighting apparatus using ambient light levels
US8939604B2 (en) 2011-03-25 2015-01-27 Arkalumen Inc. Modular LED strip lighting apparatus
US9967940B2 (en) 2011-05-05 2018-05-08 Integrated Illumination Systems, Inc. Systems and methods for active thermal management
ES2717895T3 (es) * 2011-06-30 2019-06-26 Signify Holding Bv Circuito de iluminación LED aislado por transformador con control de atenuación de lado secundario
CN102256417B (zh) * 2011-07-12 2013-12-18 科博达技术有限公司 基于数字pwm控制技术的led灯控制器
US9060400B2 (en) 2011-07-12 2015-06-16 Arkalumen Inc. Control apparatus incorporating a voltage converter for controlling lighting apparatus
US10874003B2 (en) 2011-07-26 2020-12-22 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US8710770B2 (en) 2011-07-26 2014-04-29 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US9609720B2 (en) 2011-07-26 2017-03-28 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US20150237700A1 (en) 2011-07-26 2015-08-20 Hunter Industries, Inc. Systems and methods to control color and brightness of lighting devices
US9521725B2 (en) 2011-07-26 2016-12-13 Hunter Industries, Inc. Systems and methods for providing power and data to lighting devices
US11917740B2 (en) 2011-07-26 2024-02-27 Hunter Industries, Inc. Systems and methods for providing power and data to devices
US9232587B2 (en) 2011-09-30 2016-01-05 Advanced Analogic Technologies, Inc. Low cost LED driver with integral dimming capability
US8779696B2 (en) 2011-10-24 2014-07-15 Advanced Analogic Technologies, Inc. Low cost LED driver with improved serial bus
US9288861B2 (en) 2011-12-08 2016-03-15 Advanced Analogic Technologies Incorporated Serial lighting interface with embedded feedback
TW201315281A (zh) * 2011-09-30 2013-04-01 Luxul Technology Inc 分流型交流ｌｅｄ驅動電路
WO2013064960A1 (en) * 2011-11-04 2013-05-10 Koninklijke Philips Electronics N.V. Driver device and driving method for driving a load, and having a polarity -dependent bleeder circuit
KR101912936B1 (ko) * 2011-11-08 2018-10-30 엘지디스플레이 주식회사 다채널 ｌｅｄ의 정전류 제어 장치와 이를 이용한 액정표시장치
US9301347B2 (en) * 2011-11-14 2016-03-29 Koninklijke Philips N.V. System and method for controlling maximum output drive voltage of solid state lighting device
WO2013090845A2 (en) 2011-12-14 2013-06-20 Cirrus Logic, Inc. Multi-mode flyback control for a switching power converter
DE102011088977A1 (de) * 2011-12-19 2013-06-20 Tridonic Atco Gmbh & Co. Kg LED-Konverter mit PWM-Impulsen mit stabilisierter Amplitude
TWI471063B (zh) * 2012-01-02 2015-01-21 Lextar Electronics Corp 照明控制電路與照明控制方法
US9065505B2 (en) 2012-01-31 2015-06-23 Rf Micro Devices, Inc. Optimal switching frequency for envelope tracking power supply
US9167662B2 (en) 2012-02-29 2015-10-20 Cirrus Logic, Inc. Mixed load current compensation for LED lighting
JP6000595B2 (ja) * 2012-03-27 2016-09-28 日東電工株式会社 電子部品切断用加熱剥離型粘着シート及び電子部品加工方法
US9277623B2 (en) 2012-03-29 2016-03-01 Phoseon Technology, Inc. Load current control circuit
US9264077B2 (en) * 2012-05-31 2016-02-16 Blackberry Limited Mobile communications device including an RF transmitter providing impedance fluctuation dampening and related methods
CN102708831A (zh) * 2012-06-21 2012-10-03 深圳市华星光电技术有限公司 一种背光驱动电路、液晶显示模组及其制造方法
US8894437B2 (en) 2012-07-19 2014-11-25 Integrated Illumination Systems, Inc. Systems and methods for connector enabling vertical removal
US8742672B2 (en) * 2012-07-26 2014-06-03 Iml International Light source dimming control circuit
US9729050B2 (en) * 2012-08-07 2017-08-08 Philips Lighting Holding B.V. Power supply device
US9184661B2 (en) 2012-08-27 2015-11-10 Cirrus Logic, Inc. Power conversion with controlled capacitance charging including attach state control
CN102938648A (zh) * 2012-10-31 2013-02-20 上海华兴数字科技有限公司 一种应用于工程机械的控制器的模拟量输出电路
US9379578B2 (en) 2012-11-19 2016-06-28 Integrated Illumination Systems, Inc. Systems and methods for multi-state power management
US8957589B2 (en) * 2012-11-21 2015-02-17 Shenzhen China Star Optoelectronics Technology Co., Ltd LED light-adjustment driver module, backlight module and liquid crystal display device
US9420665B2 (en) 2012-12-28 2016-08-16 Integration Illumination Systems, Inc. Systems and methods for continuous adjustment of reference signal to control chip
US9485814B2 (en) 2013-01-04 2016-11-01 Integrated Illumination Systems, Inc. Systems and methods for a hysteresis based driver using a LED as a voltage reference
US9496844B1 (en) 2013-01-25 2016-11-15 Koninklijke Philips N.V. Variable bandwidth filter for dimmer phase angle measurements
US10187934B2 (en) 2013-03-14 2019-01-22 Philips Lighting Holding B.V. Controlled electronic system power dissipation via an auxiliary-power dissipation circuit
US9282598B2 (en) 2013-03-15 2016-03-08 Koninklijke Philips N.V. System and method for learning dimmer characteristics
US9018859B2 (en) * 2013-03-29 2015-04-28 Shenzhen China Star Optoelectronics Technology Co., Ltd. LED backlight driving circuit and LCD device
CN103247250B (zh) * 2013-05-13 2016-02-03 深圳市华星光电技术有限公司 显示模组、光源模组、光源模组的驱动电路及驱动方法
CN103310753A (zh) * 2013-06-24 2013-09-18 深圳市华星光电技术有限公司 液晶显示设备及其led背光源
CN104333933B (zh) * 2013-07-22 2017-04-12 全汉企业股份有限公司 发光二极管驱动装置及应用其的发光二极管照明系统
DE102014111085A1 (de) 2013-08-20 2015-02-26 Panasonic Corporation Beleuchtungsbaugruppe und diese verwendende Beleuchtungsvorrichtung
RU2670426C2 (ru) * 2013-09-19 2018-10-23 Филипс Лайтинг Холдинг Б.В. Возбудитель светоизлучающего диода с питанием дифференциальным напряжением
JP6249334B2 (ja) * 2013-11-22 2017-12-20 パナソニックＩｐマネジメント株式会社 点灯装置及び該点灯装置を具備する照明器具
KR102158801B1 (ko) * 2013-11-29 2020-09-23 삼성디스플레이 주식회사 발광 다이오드를 포함하는 발광 장치 및 그 구동 방법
US10014771B2 (en) * 2013-12-06 2018-07-03 Astec International Limited Switching shunt regulator circuits
US9621062B2 (en) 2014-03-07 2017-04-11 Philips Lighting Holding B.V. Dimmer output emulation with non-zero glue voltage
US9215772B2 (en) 2014-04-17 2015-12-15 Philips International B.V. Systems and methods for minimizing power dissipation in a low-power lamp coupled to a trailing-edge dimmer
US20170215241A1 (en) * 2014-05-30 2017-07-27 Philips Lighting Holding B.V. Led driver circuit, led circuit and drive method
US20150366011A1 (en) * 2014-06-13 2015-12-17 O2Micro, Inc. Light source controllers
CN104066247B (zh) * 2014-06-24 2017-02-01 浙江生辉照明有限公司 一种led照明装置的驱动电路及调光控制方法
KR20160011908A (ko) * 2014-07-23 2016-02-02 주식회사 솔루엠 전원장치 및 그의 구동방법
US9485818B2 (en) * 2014-12-18 2016-11-01 Infineon Technologies Ag Adaptive direct current (DC) to DC (DC-to-DC) light emitting diode (LED) driver for dynamic loads
CN105792408B (zh) * 2015-01-09 2019-02-15 松下知识产权经营株式会社 照明系统以及照明器具
JP6566293B2 (ja) * 2015-01-09 2019-08-28 パナソニックＩｐマネジメント株式会社 照明システムおよび照明器具
US10568180B2 (en) 2015-05-05 2020-02-18 Arkalumen Inc. Method and apparatus for controlling a lighting module having a plurality of LED groups
US9992836B2 (en) 2015-05-05 2018-06-05 Arkawmen Inc. Method, system and apparatus for activating a lighting module using a buffer load module
US9992829B2 (en) 2015-05-05 2018-06-05 Arkalumen Inc. Control apparatus and system for coupling a lighting module to a constant current DC driver
US9775211B2 (en) 2015-05-05 2017-09-26 Arkalumen Inc. Circuit and apparatus for controlling a constant current DC driver output
US10225904B2 (en) 2015-05-05 2019-03-05 Arkalumen, Inc. Method and apparatus for controlling a lighting module based on a constant current level from a power source
US10228711B2 (en) 2015-05-26 2019-03-12 Hunter Industries, Inc. Decoder systems and methods for irrigation control
US10918030B2 (en) 2015-05-26 2021-02-16 Hunter Industries, Inc. Decoder systems and methods for irrigation control
US10030844B2 (en) 2015-05-29 2018-07-24 Integrated Illumination Systems, Inc. Systems, methods and apparatus for illumination using asymmetrical optics
US10060599B2 (en) 2015-05-29 2018-08-28 Integrated Illumination Systems, Inc. Systems, methods and apparatus for programmable light fixtures
US9634603B2 (en) * 2015-08-24 2017-04-25 Hamilton Sundstrand Corporation Power limiting for motor current controllers
TWI572246B (zh) * 2015-09-07 2017-02-21 力林科技股份有限公司 發光二極體背光模組及其驅動裝置
US10381926B2 (en) * 2015-09-24 2019-08-13 Osram Sylvania Inc. Digitally compensated hysteretic power supply with enhanced resolution
KR101775566B1 (ko) * 2015-11-26 2017-09-06 인성 엔프라 주식회사 Smps용 보조 모듈 및 그 제어 방법
US10097010B2 (en) * 2016-04-19 2018-10-09 Infineon Technologies Ag Control of freewheeling voltage
FR3056304B1 (fr) * 2016-09-16 2020-06-19 Valeo Comfort And Driving Assistance Circuit electronique et capteur de temps de vol comprenant un tel circuit electronique
CN109314396B (zh) * 2017-04-07 2022-07-19 Oppo广东移动通信有限公司 无线充电系统、装置、方法及待充电设备
EP3493361B1 (en) 2017-04-07 2023-04-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wireless charging system, method, and device to be charged
US10843793B2 (en) * 2017-05-31 2020-11-24 Simmonds Precision Products, Inc. Electronic braking arrangements
JP2019029529A (ja) * 2017-07-31 2019-02-21 パナソニック デバイスＳｕｎｘ株式会社 紫外線照射装置
US10178721B1 (en) * 2017-08-14 2019-01-08 Richtek Technology Corporation Light emitting device driver circuit and control method thereof
CN109392217B (zh) * 2017-08-14 2020-11-03 立锜科技股份有限公司 发光元件驱动电路及其控制方法
EP3669616B1 (en) * 2017-08-18 2024-02-21 Signify Holding B.V. Monitor device for a lighting arrangement, a driver using the monitoring arrangement, and a driving method
KR101890214B1 (ko) * 2017-09-08 2018-08-22 페어차일드코리아반도체 주식회사 Led 발광 장치
KR102222092B1 (ko) * 2019-02-11 2021-03-03 (주)실리콘인사이드 Led 픽셀 패키지
US11172550B2 (en) * 2019-03-28 2021-11-09 Semiconductor Components Industries, Llc Dual-control LED dimming system and method
US10698465B1 (en) * 2019-05-13 2020-06-30 Quanta Computer Inc. System and method for efficient energy distribution for surge power
KR102206648B1 (ko) * 2019-07-31 2021-01-22 주식회사 웰랑 전류 제어 전류원 및 이를 포함하는 부하 전류 구동기
GB201911264D0 (en) * 2019-08-06 2019-09-18 Dialog Semiconductor Uk Ltd Method to remove PWM turn-on-delay in LED back lighting application
CN110446308A (zh) * 2019-09-04 2019-11-12 杭州必易微电子有限公司 用于控制功率晶体管的控制电路、驱动电路、led灯系统及控制方法
US10801714B1 (en) 2019-10-03 2020-10-13 CarJamz, Inc. Lighting device
TWI719815B (zh) * 2020-01-22 2021-02-21 友達光電股份有限公司 像素驅動電路
CN111432520B (zh) * 2020-04-02 2022-04-19 晟合微电子(肇庆)有限公司 一种低功耗驱动oled面板的均衡方法
CN112312617B (zh) * 2020-09-24 2023-05-12 昂宝电子（上海）有限公司 Led背光控制系统和方法
JP7501294B2 (ja) 2020-10-06 2024-06-18 三菱電機株式会社 点灯装置および照明器具
US11754239B2 (en) 2021-04-12 2023-09-12 Gary Thomas Osborne Apparatus for a solar light
CN113993244B (zh) * 2021-11-25 2024-07-23 深圳市火乐科技发展有限公司 调光电路和发光装置
CN115167592A (zh) * 2022-06-30 2022-10-11 超聚变数字技术有限公司 一种稳压电路、供电电路及供电控制方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001667A (en) 1974-04-22 1977-01-04 American Optical Corporation Constant current-pulse led drive circuit
WO2000013469A1 (en) * 1998-08-28 2000-03-09 Fiber Optics Designs, Inc. Preferred embodiment to led light string
US20040201988A1 (en) 1999-02-12 2004-10-14 Fiber Optic Designs, Inc. LED light string and arrays with improved harmonics and optimized power utilization
US6362578B1 (en) 1999-12-23 2002-03-26 Stmicroelectronics, Inc. LED driver circuit and method
US6734639B2 (en) 2001-08-15 2004-05-11 Koninklijke Philips Electronics N.V. Sample and hold method to achieve square-wave PWM current source for light emitting diode arrays
US6586890B2 (en) 2001-12-05 2003-07-01 Koninklijke Philips Electronics N.V. LED driver circuit with PWM output
US6798152B2 (en) 2002-08-21 2004-09-28 Freescale Semiconductor, Inc. Closed loop current control circuit and method thereof
JP4477509B2 (ja) * 2002-12-26 2010-06-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サンプル・ホールドをもつパルス幅変調型発光ダイオード用レギュレータ
JP2004274872A (ja) * 2003-03-07 2004-09-30 Toko Inc スイッチング定電流電源装置
JP2005006444A (ja) * 2003-06-13 2005-01-06 Japan Aviation Electronics Industry Ltd 照明灯電源装置
JP2005078828A (ja) * 2003-08-28 2005-03-24 Konica Minolta Holdings Inc 照明装置および照明装置の駆動方法
US7120480B2 (en) 2004-02-25 2006-10-10 Nellcor Puritan Bennett Inc. LED forward voltage estimation in pulse oximeter
JP4496812B2 (ja) * 2004-03-18 2010-07-07 東芝ライテック株式会社 Ｌｅｄ式照明装置
US7202608B2 (en) * 2004-06-30 2007-04-10 Tir Systems Ltd. Switched constant current driving and control circuit
JP5175427B2 (ja) * 2005-05-31 2013-04-03 Ｎｅｃディスプレイソリューションズ株式会社 発光素子駆動装置
US7872430B2 (en) * 2005-11-18 2011-01-18 Cree, Inc. Solid state lighting panels with variable voltage boost current sources
US7923943B2 (en) * 2006-01-10 2011-04-12 Microsemi Corp.—Analog Mixed Signal Group Ltd. Secondary side post regulation for LED backlighting

Also Published As

Publication number Publication date
US20090134817A1 (en) 2009-05-28
KR101588044B1 (ko) 2016-01-25
CN101379887A (zh) 2009-03-04
RU2008129778A (ru) 2010-01-27
CA2632385A1 (en) 2007-06-28
US7999484B2 (en) 2011-08-16
JP5717947B2 (ja) 2015-05-13
KR20080087819A (ko) 2008-10-01
CN101379887B (zh) 2012-10-31
RU2427109C2 (ru) 2011-08-20
EP1967049A1 (en) 2008-09-10
JP2009520331A (ja) 2009-05-21
WO2007071033A1 (en) 2007-06-28
EP1967049A4 (en) 2016-03-02

Similar Documents

Publication Publication Date Title
CA2632385C (en) Method and apparatus for controlling current supplied to electronic devices
US7202608B2 (en) Switched constant current driving and control circuit
US8493000B2 (en) Method and system for driving light emitting elements
US8680787B2 (en) Load control device for a light-emitting diode light source
Winder Power supplies for LED driving
US7423387B2 (en) Apparatus and method for controlling colour and colour temperature of light generated by a digitally controlled luminaire
JP5635598B2 (ja) Ａｃ線電力を照明デバイスに供給する装置、方法、およびシステム
US10791600B2 (en) Illumination device control systems and methods
US9859812B2 (en) Auxiliary power supply for lighting driver circuitry
US20090187925A1 (en) Driver that efficiently regulates current in a plurality of LED strings
TW201320816A (zh) Led電流控制
US9210748B2 (en) Systems and methods of driving multiple outputs
CN107787606B (zh) Led照明装置
RU2697830C2 (ru) Схема драйвера и способ возбуждения
WO2015036551A1 (en) Controller for controlling a current regulating element of a lighting load

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20191220